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 Post subject: Re: Post your ladders!
Post #61 Posted: Thu Sep 29, 2011 9:02 am 
Oza
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I added a bunch of problems where the ladder capture is wrong, and also the one from the twoeye-gaopo game.


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Ladders and Nets v2.sgf [9.73 KiB]
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Post #62 Posted: Thu Sep 29, 2011 1:47 pm 
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Start at move 87. (game is still ongoing, so no comments on the final position, please)


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Post #63 Posted: Sat Oct 01, 2011 10:06 am 
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Over time I'd like to add some joseki ladder problems. I'm keeping the SL links here as a reminder.



Last edited by jts on Sun Oct 09, 2011 9:17 pm, edited 1 time in total.
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Post #64 Posted: Mon Oct 03, 2011 6:21 pm 
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This is from Modern Master Games Volume One, Game Eight. Black has just wedged, and white's proper response depends on a ladder. How the ladder comes up should be pretty obvious, but I included the setup in the hide tags in case you need it to visualize the problem.

Click Here To Show Diagram Code
[go]$$c
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . # . . X . . , . . . . X , X . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . X O . . |
$$ | . . . . . . . . . . . . . . . X . O . |
$$ | . . . . . . . . . . . . . . O . X . . |
$$ | . . . . . . . . . . . . . . X . . O . |
$$ | . . X . . . . . . . . . . . . O O . . |
$$ | . . . , . . . . . , . . . O O O X O . |
$$ | . . . O . . . . . . . . X . X X X X . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Click Here To Show Diagram Code
[go]$$Wc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . 3 O . . . . . . . . . . . . . . . |
$$ | . . 1 X 2 . X . . , . . . . X , X . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . . 4 . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . X O . . |
$$ | . . . . . . . . . . . . . . . X . O . |
$$ | . . . . . . . . . . . . . . O . X . . |
$$ | . . . . . . . . . . . . . . X . . O . |
$$ | . . X . . . . . . . . . . . . O O . . |
$$ | . . . , . . . . . , . . . O O O X O . |
$$ | . . . O . . . . . . . . X . X X X X . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

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 Post subject: Re: Post your ladders!
Post #65 Posted: Fri Oct 14, 2011 8:39 pm 
Oza
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I've added the games posted recently and a couple stylized ladder problems from SL. I haven't added the joseki ladders yet. I still want to do that, but I'm equivocating about how to do it. Make up random patterns? Use pro games (where presumably the ladders will be very clean)? Ehhh. The most ambitious thing I've thought of is using a pattern search on one of the amateur databases, but... seems like too much work.


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Ladders and Nets v3.sgf [12.8 KiB]
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Post #66 Posted: Sat Oct 15, 2011 12:04 am 
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hyperpape wrote:
This is from Modern Master Games Volume One, Game Eight. Black has just wedged, and white's proper response depends on a ladder.

I read the ladder several times and always favorable for black. Am I missing something?

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Post #67 Posted: Sat Oct 15, 2011 8:54 am 
Oza
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karaklis wrote:
hyperpape wrote:
This is from Modern Master Games Volume One, Game Eight. Black has just wedged, and white's proper response depends on a ladder.

I read the ladder several times and always favorable for black. Am I missing something?

No, or at least, that's also what I read out. So :w1: can't be at c16.

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Post #68 Posted: Sat Oct 15, 2011 12:04 pm 
Oza
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The main page for Hayashi Gembi's Loose Ladder on SL has a stone at S14; the attempts page doesn't, though, and neither do other pages on the internet. The problem comes to a disappointingly swift close with S14 there, so I'm removing it in my ladders file.

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Post #69 Posted: Fri Dec 09, 2011 6:38 am 
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Click Here To Show Diagram Code
[go]$$Wc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O , . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . X . . . . . . . . . . . . . . . . . |
$$ | X . 7 4 . . . . . . . . . . . . . . . |
$$ | O X X 3 5 . . . . . . . . . . . . . . |
$$ | O O O X X 6 . . . O . . . . . X . . . |
$$ | . . . O X O X . . . . . . . . . . . . |
$$ | . a O O O X . . . . . . . . . . . . . |
$$ | . . . . X . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Maybe this is too simplistic. It's from Dave's comment on Phelan's game.

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